.hero-section .swiper-slide {
    position: relative;
}

.hero-section .swiper-slide .pic img {
    display: block;
    width: 100%;
    object-fit: cover;
    min-height: 430px;
}

.hero-section .swiper-slide .hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    padding: 0 66px;
}

.hero-section .swiper-slide .hero-title {
    font-weight: bold;
    color: #FFFFFF;
    line-height: 1.22;
}

.hero-section .swiper-slide .hero-subtitle {
    color: #FFFFFF;
    line-height: 1.57;
}

.hero-section .swiper-slide .hero-des {
    font-weight: 400;
    font-size: 22px;
    color: #FFFFFF;
    line-height: 1.54;
    margin-top: 17px;
}

.hero-section .btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    color: #fff;
}

.hero-section .btn .iconfont {
    font-size: 28px;
    display: block;
    transform: scale(1.3);
}

.hero-section .btn.btn-prev {
    left: 35px;
}

.hero-section .btn.btn-next {
    right: 35px;
}

.hero-section .swiper-pagination {
    bottom: 20px;
}

.hero-section .swiper-pagination-bullet {
    width: 60px;
    height: 3px;
    background: rgba(255, 255, 255, .2);
    margin: 0 2px;
    opacity: 1;
    border-radius: 0;
    transition: all .3s;
}

.hero-section .swiper-pagination-bullet-active {
    background: rgba(255, 255, 255, 1);
}

.section-title {
    font-weight: bold;
    color: #222222;
    line-height: 1;
}

.why-choose-yifit {
    padding: 140px 0;
    background: url(../img/index-box1-bg.jpg);
    background-size: cover;
    text-align: center;
}



.section-sub-desc {
    font-size: 17px;
    color: #333333;
    line-height: 30px;
    text-align: center;
    margin: 22px auto 0;
}

.yifit-more-btn {
    font-size: 16px;
    color: #2554FE;
    line-height: 36px;
    padding: 0 19px;
    border-radius: 20px;
    border: 2px solid #2554FE;
    display: inline-block;
    transition: all 0.3s;
}

.yifit-more-btn:hover {
    background-color: #2554FE;
    color: #fff;
}

.why-choose-yifit .yifit-btn-wrap {
    margin-top: 50px;
}


.why-choose-yifit .yifit-stats-grid {
    margin-top: 200px;
    display: flex;
    justify-content: space-between;
}

.why-choose-yifit .yifit-stat-item {
    flex: 1;
}

.why-choose-yifit .yifit-stat-icon {
    width: 65px;
    height: 65px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.why-choose-yifit .yifit-stat-icon img {
    max-width: 100%;
    max-height: 100%;
}

.why-choose-yifit .yifit-stat-number {
    margin-top: 25px;
    font-family: Manrope-SemiBold;
    color: rgba(37, 84, 254, 1);
    line-height: 1;
}

.why-choose-yifit .yifit-stat-label {
    margin-top: 15px;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    line-height: 1;
}

.section-en {
    font-family: RanyLight;
    color: #FFFFFF;
    line-height: 1.1;
}

.vfx-core-section {
    position: relative;
    width: 100%;
    padding-top: 100px;
    overflow: hidden;
}

.vfx-core-section .section-title {
    color: #fff;
    margin-top: .5em;
}

.vfx-core-section .vfx-bg-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease;
    z-index: 0;
}

.vfx-core-section .vfx-bg-item.active {
    opacity: 1;
    z-index: 1;
}

.vfx-core-section .vfx-container {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: space-between;
}

.vfx-core-section .vfx-left {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding-bottom: 38px;
}

.vfx-core-section .vfx-header {
    color: #fff;
}

.vfx-core-section .vfx-btns {
    margin-top: 30px;
    display: flex;
    gap: 10px;
}

.vfx-core-section .vfx-btns .btn {
    width: 60px;
    height: 60px;
    background: #0078FF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s;
}

.vfx-core-section .vfx-btns .btn.swiper-button-disabled {
    background: rgba(255, 255, 255, .2);
    cursor: not-allowed;
}

.vfx-core-section .vfx-btns .btn:not(.swiper-button-disabled) {
    background: rgba(37, 84, 254, 1);
}

.vfx-core-section .vfx-card-group {
    position: relative;
    width: 480px;
    height: 600px;
}

.vfx-core-section .vfx-content-card {
    width: 100%;
    background-color: rgba(255,255,255,.8);
    background-image: url(../img/vfx-core-section-bg2.png);
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-position: left bottom;
    border-radius: 20px;
    padding: 50px 40px;
    display: none;
    height: 100%;
    flex-direction: column;
}

.vfx-core-section .vfx-content-card.active {
    display: flex;
    animation: fadeInUpSmall 0.8s ease-in-out forwards;
}

.vfx-core-section .vfx-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vfx-core-section .vfx-card-icon img {
    max-width: 100%;
    max-height: 100%;
    transition: all 0.3s;
}

.vfx-core-section .vfx-content-card:hover .vfx-card-icon img {
    transform: rotateY(180deg);
}

.vfx-core-section .vfx-card-title {
    margin-top: 44px;
    color: #222222;
    line-height: 1.27;
    transition: all 0.3s;
}

.vfx-core-section .vfx-content-card:hover .vfx-card-title {
    color: #2554FE;
}

.vfx-core-section .vfx-card-desc {
    margin-top: 18px;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 2.25em;
    /* height: 15.75em; */
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    overflow: auto;
}

.vfx-core-section .vfx-card-btns {
    margin-top: 33px;
    display: flex;
    gap: 10px;
}

.vfx-core-section .vfx-btn {
    text-align: center;
    line-height: 40px;
    background: #1B7CFF;
    border-radius: 21px;
    padding: 0 23px;
    border: 1px solid #2554FE;
    font-size: 18px;
    color: #FFFFFF;
    font-weight: bold;
    transition: all .6s;
}

.vfx-core-section .vfx-btn:hover {
    background: #2554FE;
}

.vfx-core-section .vfx-footer-nav {
    position: relative;
    width: 100%;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    z-index: 10;
    margin-top: 90px;
    border-top: 2px solid rgba(255, 255, 255, .2);
}

.vfx-core-section .vfx-nav-swiper {
    height: 100%;
    overflow: visible;
}

.vfx-core-section .swiper-slide {
    cursor: pointer;
    position: relative;
    width: 25%;
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
    line-height: 80px;
    text-align: center;
}

.vfx-core-section .swiper-slide.active {
    color: #fff;
    font-weight: bold;
}

.vfx-core-section .swiper-slide.active::after {
    content: "";
    position: absolute;
    top: -4px;
    left: 10%;
    width: 80%;
    height: 4px;
    background: rgba(0, 120, 255, 1);
    box-shadow: 0 0 15px rgba(0, 120, 255, 1);
}

.uav-train-wrapper {
    background-color: RGBA(247, 249, 250, 1);
    padding: 130px 0 120px;
}

.uav-train-wrapper .section-title {
    text-align: center;
}

.uav-train-wrapper .content1660 {
    overflow: hidden;
}

.uav-train-wrapper .uav-nav-container {
    margin-top: 33px;
    position: relative;
    border-bottom: 2px solid rgba(255, 255, 255, 1);
    padding: 0 40px;
}
.uav-train-wrapper .uav-nav-container .btn{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    cursor:pointer;
}
.uav-train-wrapper .uav-nav-container .btn.swiper-button-disabled{
    opacity:.3;
    cursor:not-allowed;
}
.uav-train-wrapper .uav-nav-container .btn:not(.swiper-button-disabled):hover{
    color:#1B7CFF;
}
.uav-train-wrapper .uav-nav-container .btn .iconfont{
    font-size:24px;
}
.uav-train-wrapper .uav-nav-container .btn.btn-prev{
    left:0;
}
.uav-train-wrapper .uav-nav-container .btn.btn-next{
    right:0;
}
.uav-train-wrapper .uav-nav-swiper {
    overflow: hidden;
}

.uav-train-wrapper .swiper-slide {
    position: relative;
    text-align: center;
    /* padding: 17px 0; */
    cursor: pointer;
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 1;
    transition: 0.3s;
    width: 25%;
    line-height: 52px;
    /* min-height: 52px; */
    /* display: flex; */
    /* align-items: center; */
    /* justify-content: center; */
    /* display: -webkit-box; */
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.uav-train-wrapper .swiper-slide::before {
    position: absolute;
    content: "";
    bottom: 0px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: rgba(0, 120, 255, 1);
    z-index: 1;
    transition: all 0.3s ease;
}

.uav-train-wrapper .swiper-slide.active::before {
    width: 100%;
}

.uav-train-wrapper .swiper-slide:hover,
.uav-train-wrapper .swiper-slide.active {
    color: rgba(0, 120, 255, 1);
}

.uav-train-wrapper .uav-nav-line {
    position: absolute;
    bottom: -2px;
    height: 2px;
    background-color: rgba(0, 120, 255, 1);
    transition: all 0.3s ease;
    width: 33.33%;
    left: 0;
    z-index: 2;
}

.uav-train-wrapper .uav-content-box {
    margin-top: 34px;
}

.uav-train-wrapper .uav-pane {
    display: none;
}

.uav-train-wrapper .uav-pane.active {
    display: block;
    animation: fadeInUpSmall 0.5s ease forwards;
}

.uav-train-wrapper .uav-card {
    background: #FFFFFF;
    border-radius: 20px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
}

.uav-train-wrapper .uav-card-left {
    width: 49.38%;
    border-radius: 20px;
}

.uav-train-wrapper .uav-card-left img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uav-train-wrapper .uav-card-right {
    padding: 50px 60px;
    flex: 1;
}

.uav-train-wrapper .uav-icon {
    height: 50px;
    display: flex;
    align-items: center;
}

.uav-train-wrapper .uav-icon img {
    max-height: 100%;
}

.uav-train-wrapper .uav-sub-title {
    margin-top: 43px;
    color: #222;
    line-height: 1.27;
    font-weight: normal;
}

.uav-train-wrapper .uav-tags {
    margin-top: 27px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.uav-train-wrapper .uav-tags span {
    border-radius: 5px;
    border: 1px solid rgba(0, 120, 255, 1);
    padding: 0 17px;
    line-height: 34px;
    font-size: 14px;
    color: #0078FF;
    transition: all 0.3s;
    cursor: pointer;
}

.uav-train-wrapper .uav-tags span:hover {
    background-color: rgba(0, 120, 255, 1);
    color: #fff;
}

.uav-train-wrapper .uav-desc {
    margin-top: 29px;
    font-size: 18px;
    color: #666666;
    line-height: 30px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
}

.uav-train-wrapper .uav-btn-group {
    margin-top: 60px;
    display: flex;
    gap: 15px;
}

.uav-train-wrapper .uav-btn {
    padding: 0 32px;
    line-height: 50px;
    border-radius: 25px;
    font-size: 18px;
    transition: 0.3s;
}

.uav-train-wrapper .uav-btn-primary {
    background-color: rgba(0, 120, 255, 1);
    color: #fff;
}

.uav-train-wrapper .uav-btn-primary:hover {
    background-color: rgba(37, 84, 254, 1);
}

.youth-drone-section {
    margin-top: 130px;
}

.youth-drone-section .section-title {
    text-align: center;
}

.youth-drone-section .yd-main-container {
    margin-top: 62px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.youth-drone-section .yd-left-content {
    width: 47.4%;
}

.youth-drone-section .yd-nav-list {
    margin-top: 10px;
    border-left: 4px solid #EAEAEA;
}

.youth-drone-section .yd-nav-item {
    position: relative;
    color: rgba(102, 102, 102, 1);
    padding-left: 25px;
    line-height: 1.33;
    cursor: pointer;
    transition: all 0.3s;
}

.youth-drone-section .yd-nav-item::before {
    position: absolute;
    content: "";
    left: 0;
    top: 50%;
    height: 0;
    width: 4px;
    background: rgba(0, 120, 255, 1);
    transform: translate(-100%, -50%);
    transition: all 0.3s ease;
}

.youth-drone-section .yd-nav-item.active::before {
    height: 100%;
}

.youth-drone-section .yd-nav-item:not(:last-child) {
    margin-bottom: 20px;
}

.youth-drone-section .yd-nav-item.active {
    color: #222222;
    font-weight: bold;
}

.youth-drone-section .yd-detail-group {
    margin-top: 80px;
    position: relative;
    padding-right: 48px;
}

.youth-drone-section .yd-detail-item {
    position: relative;
    display: none;
    background: #F7F9FA;
    border-radius: 10px;
    padding: 28px 70px 30px 30px;
    min-height: 330px;
}

.youth-drone-section .yd-detail-item.active {
    display: block;
    animation: fadeInUpSmall 0.6s ease;
}

.youth-drone-section .yd-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
}

.youth-drone-section .yd-icon img {
    max-height: 100%;
    max-width: 100%;
}

.youth-drone-section .yd-detail-title {
    margin-top: 34px;
    font-weight: bold;
    font-size: 24px;
    color: #222222;
    line-height: 1.5;
}

.youth-drone-section .yd-detail-desc {
    margin-top: 15px;
    font-size: 16px;
    color: #666666;
    line-height: 30px;
}

.youth-drone-section .yd-explore-btn {
    position: absolute;
    right: 0;
    top: 0;
    transform: translate(30%, -50%);
    width: 124px;
    height: 124px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.youth-drone-section .yd-explore-text {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.youth-drone-section .yd-explore-text img {
    display: block;
    width: 100%;
    animation: rotateInfinite 9s linear infinite;
    transform-origin: center center;
}

.youth-drone-section .yd-explore-text:hover img {
    animation-play-state: paused;
}

@keyframes rotateInfinite {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.youth-drone-section .yd-arrow {
    position: relative;
    font-size: 24px;
    z-index: 2;
    color: #fff;
    font-weight: bold
}

.youth-drone-section .yd-right-media {
    position: relative;
    width: 50%;
    background: #F7F9FA;
    border-radius: 20px;
    aspect-ratio: 1/.7228;
    padding: 20px;
}

.youth-drone-section .yd-image-item {
    position: absolute;
    top: 20px;
    left: 20px;
    width: calc(100% - 40px);
    height: calc(100% - 40px);
    opacity: 0;
    transition: opacity 0.5s ease;
    border-radius: 20px;

}

.youth-drone-section .yd-image-item.active {
    opacity: 1;
    z-index: 1;
}

.youth-drone-section .yd-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.honor-section {
    position: relative;
    width: 100%;
    background: url('../img/honor-section-bg.jpg') no-repeat center bottom;
    background-size: cover;
    margin-top: 200px;
    color: #fff;
}

.honor-section .content1660 {
    position: relative;
    padding: 120px 0;
}

.honor-section .honor-header {
    position: relative;
    z-index: 3;
}

.honor-section .honor-drone {
    position: absolute;
    top: -3.38vw;
    left: 0;
    width: 24.27%;
    z-index: 2;
    pointer-events: none;
}

.honor-section .honor-drone img {
    width: 100%;
    display: block;
}

.honor-section .section-sub-desc,
.honor-section .section-title {
    text-align: center;
    color: #fff;
}

.honor-section .honor-swiper-container {
    margin-top: 46px;
    position: relative;
}

.honor-section .swiper-slide {
    width: 25%;
    transition: transform 0.3s;
}

.honor-section .swiper-slide img {
    display: block;
    width: 100%;
    transition: transform 0.3s;
}

.honor-section .swiper-slide:hover img {
    transform: scale(1.02);
}

.honor-section .swiper-bottom {
    margin-top: -12px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 3;
}

.honor-section .swiper-bottom .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background: #0078FF;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s;
}

.honor-section .swiper-bottom .btn.swiper-button-disabled {
    background: rgba(255, 255, 255, .2);
    cursor: not-allowed;
}

.honor-section .swiper-bottom .btn:not(.swiper-button-disabled):hover {
    background: rgba(37, 84, 254, 1);
}

.honor-section .swiper-scrollbar {
    position: relative;
    height: 3px;
    background: rgba(235, 235, 235, .2);
    border-radius: 2px;
    flex: 1;
    margin-left: 10px;
}

.honor-section .swiper-scrollbar-drag {
    background: #FFFFFF;
    border-radius: 2px;
}

.case-section-wrapper {
    position: relative;
    background-color: RGBA(247, 249, 250, 1);
    padding: 134px 0;
    z-index: 3;
}

.case-section-wrapper .section-title,
.case-section-wrapper .section-sub-desc {
    text-align: center;
}

.section-tab-nav {
    margin-top: 28px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.section-tab-nav .section-tab-item {
    padding: 0 24px;
    line-height: 50px;
    background: #FFFFFF;
    box-shadow: 5px 9px 30px 0px rgba(190, 190, 190, 0.3);
    border-radius: 5px;
    transition: 0.3s;
    font-size: 18px;
    color: #222222;
}

.section-tab-nav .section-tab-item:hover {
    color: rgba(0, 120, 255, 1);
}

.section-tab-nav .section-tab-item.active {
    background: rgba(0, 120, 255, 1);
    color: #fff;
    border-radius: 4px;
}

.case-section-wrapper .case-main-body {
    margin-top: 75px;
}

.case-section-wrapper .case-content-panel {
    display: none;
}

.case-section-wrapper .case-content-panel.active {
    display: block;
    animation: fadeInUpSmall 0.6s ease forwards;
}

.case-section-wrapper .case-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(4, 1fr);
}

.case-section-wrapper .case-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-radius: 10px;
}

.case-section-wrapper .case-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.case-section-wrapper .case-mask {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 18px 11px;
    box-sizing: border-box;
    transition: all 0.4s ease;
}

.case-section-wrapper .case-info {
    background: rgba(0, 0, 0, .1);
    border-radius: 10px;
    padding: 23px;
    backdrop-filter: blur(10px);
}

.case-section-wrapper .case-item-title {
    color: #fff;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 30px;
    font-weight: normal;
}

.case-section-wrapper .case-item-desc {
    margin-top: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    height: 0;
    opacity: 0;
    overflow: hidden;
    line-height: 1.6;
    font-size: 16px;
    color: #F7F9FA;
    line-height: 30px;
}

.case-section-wrapper .case-card:hover .case-item-desc {
    height: 100%;
    opacity: 1;
    margin-top: 10px;
    transition: all 0.4s ease;
}

.case-section-wrapper .case-card:hover img {
    transform: scale(1.05);
}
.news-section-container .news-footer,
.case-section-wrapper .case-footer {
    margin-top: 63px;
    text-align: center;
}
.news-section-container .news-more-btn,
.case-section-wrapper .case-more-btn {
    display: inline-flex;
    padding: 0 19px;
    height: 40px;
    border-radius: 20px;
    border: 2px solid rgba(0, 120, 255, 1);
    font-size: 16px;
    color: #0078FF;
    line-height: 36px;
    transition: 0.3s;
}
.news-section-container .news-more-btn:hover,
.case-section-wrapper .case-more-btn:hover {
    background: rgba(0, 120, 255, 1);
    color: #fff;
}

.news-section-container {
    padding: 110px 0 0;
}

.news-section-container .section-title {
    text-align: center;
}

.news-section-container .news-body {
    margin-top: 34px;
}

.news-section-container .news-content-panel {
    display: none;
}

.news-section-container .news-content-panel.active {
    display: block;
    animation: fadeInUpSmall 0.5s ease;
}

.news-section-container .news-grid {
    display: flex;
    gap: 20px;
}

.news-section-container .news-card {
    flex: 1;
    background: #fff;
    box-shadow: 5px 9px 30px 0px rgba(209, 209, 209, 0.3);
    border-radius: 10px;
    overflow: hidden;
}

.news-section-container .news-card .pic {
    border-radius: 10px;
}

.news-section-container .news-card-img {
    aspect-ratio: 1/.566;
    overflow: hidden;
}

.news-section-container .news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-section-container .news-card-text {
    padding: 20px;
}
.news-section-container .news-list-title,
.news-section-container .news-card-title {
    font-size: 18px;
    color: #222222;
    line-height: 30px;
    /* font-weight: normal; */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    text-overflow: ellipsis;
    overflow: hidden;
    transition: all 0.3s ease;
}
.news-section-container .news-list-item:hover .news-list-title,
.news-section-container .news-card:hover .news-card-title{
    color: #1890ff;
}
.news-section-container .news-list-desc,
.news-section-container .news-card-desc {
    margin-top: 20px;
    font-size: 16px;
    color: #666666;
    line-height: 30px;
    font-weight: normal;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    text-overflow: ellipsis;
    overflow: hidden;
}

.news-section-container .news-list {
    flex: 0 0 33.73%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.news-section-container .news-list-item {
    padding: 20px 24px;
    background: #FFFFFF;
    box-shadow: 5px 9px 30px 0px rgba(209, 209, 209, 0.3);
    border-radius: 10px;
}

.news-section-container .news-list-item.active .news-list-title {
    color: #1890ff;
}
.news-section-container .news-list-desc {
    margin-top: 7px;
    -webkit-line-clamp: 1;
}

.news-section-container .news-date {
    font-size: 16px;
color: #999999;
line-height: 1;
font-weight: bold;
font-family: Bahnschrift;
display: block;
}
.news-section-container .news-card .news-date{
    margin-top: 37px;
}
.news-section-container .news-list .news-date{
 margin-top: 20px;
}
.contact-banner-wrapper {
   padding: 120px 0 96px;
   overflow: hidden;
}

.contact-banner-wrapper .contact-blue-box {
    position: relative;
    display: flex;
    width: 100%;
    border-radius: 20px;
    display: flex;
    background: url(../img/contact-banner-wrapper-bg2.jpg);
    background-size: cover;
    /* align-items: center; */
}

.contact-banner-wrapper .contact-left-content {
    /* margin-left: 80px; */
    color: #fff;
    z-index: 2;
    flex: 1;
    padding: 90px 80px;
}

.contact-banner-wrapper .contact-main-title {
font-family: Microsoft YaHei;
font-weight: 300;
color: #FFFFFF;
line-height: 1;
}
.contact-banner-wrapper .contact-main-title strong{
    font-weight: bold;
}
.contact-banner-wrapper .contact-info-row {
    margin-top: 60px;
    display: flex;
    gap: 75px;
}

.contact-banner-wrapper .contact-info-item {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    line-height: 1;
}

.contact-banner-wrapper .contact-label {
    font-size: 16px;
    /* opacity: 0.8; */
    color: #fff;
    line-height: 1;
    padding-bottom: 5px;
}

.contact-banner-wrapper .contact-number {
    font-size: 30px;
    font-family: Bahnschrift;
}

.contact-banner-wrapper .contact-action {
    margin-top: 65px;
}

.contact-banner-wrapper .contact-btn {
    display: inline-block;
    padding:0 33px;
line-height: 60px;
background: #FDFCFA;
border-radius: 30px;
    font-size: 18px;
color: #0078FF;
    line-height:60px;
    font-weight:bold;
    transition: all 0.3s ease;
}

.contact-banner-wrapper .contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.contact-banner-wrapper .contact-person-wrapper {
    position: absolute;
    right: 20px;
    bottom: 20px; 
    z-index: 3;
}

.contact-banner-wrapper .contact-person-wrapper img {
    display: block;
    width: 100%;
}
.contact-banner-wrapper {
    position: relative;
    width: 100%;
}

.dots-3d-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #f8fbff;
}

#threeDotsContainer {
    position: absolute;
    bottom: -200px;
    left: 0;
    width: 100%;
    height: calc(100% + 200px);
    z-index: 0;
}

.dots-3d-wrapper .contact-banner-container {
    position: relative;
    z-index: 1;
}
@media (max-width:1280px) {
    .contact-banner-wrapper .contact-left-content{
        padding: 100px 50px;
    }
}

@media (max-width: 1199px) {
    .contact-banner-wrapper .contact-person-wrapper img{
        display: none;
    }
    .vfx-core-section{
        padding-top:80px;
    }
    .why-choose-yifit { padding: 80px 0; }
    .why-choose-yifit .yifit-stats-grid { margin-top: 100px; }
    
    .vfx-core-section .vfx-card-group { width: 400px; height: 500px; }
    .vfx-core-section .vfx-footer-nav {margin-top: 50px;padding: 0 3%;}
    .contact-banner-wrapper,
    .uav-train-wrapper { padding: 80px 0; }
    .honor-section,
    .youth-drone-section { margin-top: 80px; }
    .honor-section .content1660{
        padding: 80px 0;
    }
    .case-section-wrapper { padding: 80px 0; }
    .news-section-container { padding-top: 80px; }
    .vfx-core-section .swiper-slide{
        font-size: 22px;
    }
    .vfx-core-section .vfx-card-icon{
        width: 54px;
        height: 54px;
    }
    .uav-train-wrapper .uav-card-right{
        padding: 40px;
    }
    .uav-train-wrapper .uav-btn-group,
    .uav-train-wrapper .uav-sub-title{
        margin-top: 25px;
    }
    .uav-train-wrapper .uav-icon{
        height: 44px;
    }
    .youth-drone-section .yd-main-container{
        margin-top: 45px;
    }
    .vfx-core-section .vfx-content-card{
        padding:40px;
    }
    .news-section-container .news-footer, .case-section-wrapper .case-footer,
    .case-section-wrapper .case-main-body{
        margin-top: 45px;
    }
}

@media (max-width: 1024px) {
    .uav-train-wrapper .swiper-slide{
        width:33%;
    }
    .hero-section .swiper-slide .hero-des{
        font-size:20px;
    }
    .news-section-container .news-footer, .case-section-wrapper .case-footer,
    .case-section-wrapper .case-main-body{
        margin-top: 40px;
    }
    .news-section-container{
        padding-top: 70px;
    }
    .case-section-wrapper,
    .honor-section,
    .youth-drone-section { margin-top: 70px; }
    .contact-banner-wrapper,
    .case-section-wrapper,
    .honor-section .content1660{
        padding: 70px 0;
    }
    .vfx-core-section{
        padding-top:70px;
    }
    .uav-train-wrapper,
    .why-choose-yifit{
        padding: 70px 0;
    }
    .why-choose-yifit .yifit-stat-icon{
        width: 50px;
        height: 50px;
    }
    .youth-drone-section .yd-arrow{
        font-size: 20px;
    }
    .youth-drone-section .yd-explore-btn{
        width: 100px;
        height: 100px;
    }
    .vfx-core-section .swiper-slide{
        font-size: 20px;
    }
    .vfx-core-section .vfx-container { flex-direction: column; gap: 40px; }
    .vfx-core-section .vfx-left {flex-direction: row;align-items: center;padding-bottom: 20px;}
    .vfx-core-section .vfx-card-group {width: 100%;height: auto;min-height: 0;}
    .vfx-core-section .vfx-footer-nav .swiper-slide { font-size: 16px; line-height: 60px; }
    .vfx-core-section .vfx-btns{
        margin-top:0;
    }
    .vfx-core-section .vfx-btns .btn{
        width:50px;
        height:50px;
    }
    .vfx-core-section .vfx-card-icon{
        width:45px;
        height:45px;
    }
    .vfx-core-section .vfx-card-title{
        margin-top: 25px;
    }
    .vfx-core-section .vfx-card-desc{
        -webkit-line-clamp: 2;
        margin-top: 8px;
        line-height: 1.75;
        height: 3.75em;
        flex: none;
        overflow: hidden;
    }
    .vfx-core-section .vfx-card-btns{
        margin-top:25px;
    }
    .uav-train-wrapper .uav-card { flex-direction: column; }
    .uav-train-wrapper .uav-card-left, 
    .uav-train-wrapper .uav-card-right { width: 100%; }
    .uav-train-wrapper .uav-card-right {padding: 30px;}

    .youth-drone-section .yd-main-container { flex-direction: column; align-items: center; gap: 40px; }
    .youth-drone-section .yd-left-content, 
    .youth-drone-section .yd-right-media { width: 100%; }
    
    .case-section-wrapper .case-grid { grid-template-columns: repeat(2, 1fr); }
    

    .news-section-container .news-grid { flex-direction: column; }
    .news-section-container .news-list { width: 100%; }
    .why-choose-yifit .yifit-stats-grid{
        margin-top:60px;
    }
    .youth-drone-section .yd-main-container{
        margin-top: 40px;
    }
}

@media (max-width: 768px) {
     .uav-train-wrapper .swiper-slide{
        width:50%;
    }
    .hero-section .btn{
        display:none;
    }
    .case-section-wrapper .case-card:hover .case-item-desc{
        height:0;
        margin-top:0;
        opacity:0;
    }
    .news-section-container .news-footer, .case-section-wrapper .case-footer,
    .case-section-wrapper .case-main-body{
        margin-top: 35px;
    }
    .youth-drone-section .yd-main-container{
        margin-top: 30px;
        gap: 30px;
    }
    .news-section-container{
        padding-top: 60px;
    }
    .case-section-wrapper,
    .honor-section,
    .youth-drone-section { margin-top: 60px; }
    .case-section-wrapper,
    .contact-banner-wrapper,
    .honor-section .content1660{
        padding: 60px 0;
    }
    .uav-train-wrapper .uav-nav-container{
        margin-top:30px;
    }
    .uav-train-wrapper .uav-card-right{
        padding:30px 15px;
    }
    .uav-train-wrapper .uav-icon{
        height:38px;
    }
    .uav-train-wrapper .uav-btn{
        line-height:44px;
        font-size:16px;
    }
    .uav-train-wrapper .uav-desc{
        font-size:16px;
        line-height:26px;
    }
    .vfx-core-section .vfx-btns .btn,
    .vfx-core-section .vfx-card-icon{
        width:40px;
        height:40px;
    }
    .vfx-core-section .swiper-slide{
        width:33.33%
    }
    .vfx-core-section .vfx-content-card{
        padding:30px;
    }
    .vfx-core-section{
        padding-top:60px;
    }
    .uav-train-wrapper,
    .why-choose-yifit{
        padding:60px 0;
    }
    .why-choose-yifit .yifit-btn-wrap{
        margin-top: 40px;
    }
    .hero-section .swiper-slide .hero-content { padding: 0 20px; }
    .hero-section .swiper-slide .hero-des {font-size: 18px;}

    .why-choose-yifit .section-sub-desc { font-size: 15px; line-height: 1.5; }
    .why-choose-yifit .yifit-stats-grid {display: grid;grid-template-columns: repeat(2, 1fr);gap: 30px 0;margin-top: 50px;}

    .vfx-core-section .vfx-left {/* flex-direction: column; *//* text-align: center; */padding-bottom: 0;}
    .vfx-core-section .vfx-btn {padding: 0 15px;font-size: 14px;line-height: 36px;}

    .honor-section .content1660 { padding: 60px 0; }
    .honor-section .honor-swiper-container { margin-top: 30px; }
    .honor-section .swiper-slide { width: 50%; }

    .contact-banner-wrapper .contact-left-content { padding: 50px 30px; }
    .contact-banner-wrapper .contact-info-row { flex-direction: column; gap: 20px; margin-top: 30px; }
    .contact-banner-wrapper .contact-person-wrapper { display: none; }
    .youth-drone-section .yd-detail-title{
        font-size:20px;
    }
    .contact-banner-wrapper .contact-number{
        font-size:26px;
    }
    .contact-banner-wrapper .contact-action{
        margin-top:30px;
    }
    .contact-banner-wrapper .contact-btn{
        line-height:50px;
        padding:0 28px;
    }
}

@media (max-width: 500px) {
    .uav-train-wrapper .uav-nav-container .btn .iconfont{
        font-size:20px;
    }
    .hero-section .swiper-slide .hero-subtitle{
        font-size:20px;
    }
    .hero-section .swiper-slide .hero-title {
        font-size:24px;
    }
    .hero-section .swiper-slide .hero-des{
        font-size:16px;
    }
    .hero-section .swiper-slide .hero-content{
        padding:0 10px;
    }
    .contact-banner-wrapper .contact-info-row{
        margin-top:20px;
    }
    .contact-banner-wrapper .contact-left-content{
        padding:40px 30px;
    }
    .case-section-wrapper .case-info{
        padding:12px;
    }
    .case-section-wrapper .case-item-title{
        font-size:15px;
        line-height:26px;
    }
    .news-section-container .news-footer, .case-section-wrapper .case-footer,
    .case-section-wrapper .case-main-body{
        margin-top: 30px;
    }
    .youth-drone-section .yd-icon{
        width: 34px;
        height: 34px;
    }
    .youth-drone-section .yd-main-container{
        margin-top: 25px;
    }
    .news-section-container{
        padding-top: 50px;
    }
    .case-section-wrapper,
    .honor-section,
    .youth-drone-section { margin-top: 50px; }
    .contact-banner-wrapper,
    .case-section-wrapper,
    .honor-section .content1660{
        padding: 50px 0;
    }
    .uav-train-wrapper .uav-tags{
        margin-top:15px;
    }
    .uav-train-wrapper .uav-tags span{
        padding:0 14px;
        line-height:30px;
    }
    .uav-train-wrapper .uav-card-right{
        padding:30px 15px 15px;
    }
    .uav-train-wrapper .uav-nav-container{
        margin-top:25px;
    }
    .vfx-core-section .vfx-container{
        gap:30px;
    }
    .vfx-core-section .vfx-card-btns{
        margin-top:15px;
    }
    .vfx-core-section .vfx-btns .btn{
        width:34px;
        height:34px;
    }
    .vfx-core-section{
        padding-top:50px;
    }
    .why-choose-yifit .yifit-btn-wrap{
        margin-top:25px;
    }
    .uav-train-wrapper,
    .why-choose-yifit{
        padding:50px 0;
    }
    .why-choose-yifit .yifit-stat-number{
        margin-top:10px;
    }
    .section-sub-desc {margin-top: 15px;font-size: 15px;line-height: 1.4;}

    .why-choose-yifit .yifit-stats-grid {/* grid-template-columns: 1fr; */margin-top: 40px;}
    .why-choose-yifit .yifit-stat-icon {width: 40px;height: 40px;}

    .vfx-core-section .vfx-content-card { padding: 30px 20px; }
    .vfx-core-section .vfx-card-title {margin-top: 20px;font-size: 20px;}
    .vfx-core-section .vfx-card-desc {font-size: 14px;/* line-height: 1.6; */}
    .vfx-core-section .vfx-footer-nav .swiper-slide {font-size: 14px;line-height: 50px;width: 50%;}

    .uav-train-wrapper .uav-nav-container {margin-top: 20px;padding: 0 30px;}
    .uav-train-wrapper .swiper-slide {font-size: 14px;line-height: 42px;}
    .uav-train-wrapper .uav-sub-title { margin-top: 20px; }
    .uav-train-wrapper .uav-desc { font-size: 14px; line-height: 1.5; margin-top: 15px; }
    .uav-train-wrapper .uav-btn { line-height: 40px; font-size: 15px; padding: 0 20px; }

    .youth-drone-section .yd-nav-item {font-size: 18px;padding-left: 15px;}
    .youth-drone-section .yd-detail-group { margin-top: 30px; padding-right: 0; }
    .youth-drone-section .yd-detail-item { min-height: auto; padding: 20px; }
    .youth-drone-section .yd-detail-title { margin-top: 15px; font-size: 18px; }
    .youth-drone-section .yd-detail-desc {font-size: 15px;line-height: 24px;margin-top: 10px;}
    .youth-drone-section .yd-explore-btn { display: none; } 

    .case-section-wrapper .case-grid {/* grid-template-columns: 1fr; */}
    .section-tab-nav .section-tab-item { line-height: 40px; font-size: 14px; padding: 0 15px; }

    .news-section-container .news-card-title, 
    .news-section-container .news-list-title { font-size: 15px; line-height: 1.4; }
    .news-section-container .news-card-desc { font-size: 13px; margin-top: 10px; }

    .contact-banner-wrapper .contact-blue-box { background: #1B7CFF; }
    .contact-banner-wrapper .contact-main-title {font-size: 22px;line-height: 1.3;}
    .contact-banner-wrapper .contact-number {/* font-size: 20px; */}
    .contact-banner-wrapper .contact-btn { line-height: 44px; height: 44px; font-size: 15px; }
}